RKWD

ROCKWOOD RESEARCH · A CORPORATE FILINGS WEBSITE|STRAIGHT FROM THE SOURCE · SEC EDGAR|SPONSOREDYour message on this tape — bid on the Rockwood Ad Exchange · Rockwood Ad Exchange|

Rockwood Research

AXP

AMERICAN EXPRESS CO

Finance Services · SIC 6199CIK 4962Held by 24 tracked managersEDGAR filings ↗10-K/10-Q ↗

SHARE:X LINKEDIN EMAIL

i

24 managers · Q2 2026 13F

13F bookWeight

Berkshire Hathaway

Warren BuffettPosition history →

17.1%

—

$51.28B

$299.25B13F book · 2026-06-30

ThornTree Capital Partners

ThornTree Capital PartnersPosition history →

7.7%

NEW

$0.06B

$0.73B13F book · 2026-06-30

Tweedy BrownePosition history →

1.6%

(0.4%)

$0.02B

$1.32B13F book · 2026-06-30

Tom GaynerPosition history →

1.3%

—

$0.17B

$13.13B13F book · 2026-06-30

First Eagle Investment Management

First EaglePosition history →

0.94%

+1.1%

$0.57B

$60.75B13F book · 2026-06-30

Giverny Capital

Francois RochonPosition history →

0.53%

NEW

$0.02B

$2.97B13F book · 2026-06-30

Mairs & PowerPosition history →

0.45%

(2.2%)

$0.05B

$10.90B13F book · 2026-06-30

Christopher DavisPosition history →

0.30%

(10.0%)

$0.07B

$23.29B13F book · 2026-06-30

Adage Capital Management

Adage Capital ManagementPosition history →

0.17%

+9.9%

$0.12B

$71.32B13F book · 2026-06-30

Semper Augustus

Christopher BloomstranPosition history →

0.13%

(3.6%)

$<0.01B

$0.88B13F book · 2026-06-30

Lindsell TrainPosition history →

0.10%

(15.6%)

$<0.01B

$2.63B13F book · 2026-06-30

Oakmark Funds (Harris Associates)

Bill NygrenPosition history →

0.09%

(0.1%)

$0.07B

$75.16B13F book · 2026-06-30

TorrayPosition history →

0.09%

—

$<0.01B

$0.74B13F book · 2026-06-30

Capital World Investors

Capital World InvestorsPosition history →

0.08%

(26.2%)

$0.71B

$846.43B13F book · 2026-06-30

Matrix Asset Advisors

David KatzPosition history →

0.08%

(5.3%)

$<0.01B

$1.23B13F book · 2026-06-30

Dodge & CoxPosition history →

0.05%

(2.2%)

$0.09B

$191.01B13F book · 2026-06-30

Bridgewater Associates

Bridgewater AssociatesPosition history →

0.04%

+35.8%

$0.01B

$24.38B13F book · 2026-06-30

Capital Research Global Investors

Capital Research Global InvestorsPosition history →

0.03%

(76.6%)

$0.25B

$716.87B13F book · 2026-06-30

Gardner Russo & Quinn

Thomas RussoPosition history →

0.02%

(21.0%)

$<0.01B

$8.93B13F book · 2026-06-30

Alps AdvisorsPosition history →

0.02%

+127.3%

$<0.01B

$21.33B13F book · 2026-06-30

Renaissance Technologies

Renaissance TechnologiesPosition history →

0.02%

(93.7%)

$0.01B

$72.62B13F book · 2026-06-30

Zevenbergen Capital Investments

Zevenbergen Capital InvestmentsPosition history →

0.01%

(5.9%)

$<0.01B

$4.38B13F book · 2026-06-30

Chickasaw Capital Management

Chickasaw Capital ManagementPosition history →

0.01%

+28.4%

$<0.01B

$2.78B13F book · 2026-06-30

Ruane CunniffPosition history →

<0.01%

—

$<0.01B

$6.43B13F book · 2026-06-30

Weight = position value ÷ the manager's total 13F long-equity value in the same filing — one definition for every row. “1st obs.” marks a position with no earlier stored 13F to compare against — it is not shown as a purchase.